Based on a Harris poll, among adults who regret getting tattoos, 17% say that they were too young when they got their tattoos.

Based on a Harris poll, among adults who regret getting tattoos, 17% say that they were too young when they got their tattoos. Assume seven adults who regret getting tattoos are randomly selected. Show your set up for the binomial then use your calculator. Round to 3 places where possible.
a) Find the probability that none of the selected adults say that he or she was too young to get a tattoo
b) Find the probability that exactly 3 say that he or she was too young to get a tattoo

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